throw yourself at somebody's feet
throw (oneself) at (someone's) feet
To plead for someone's mercy, forgiveness, protection, or aid. He's been throwing himself at voters' feet after the scandal, making promises about how he's reformed himself and still deserves their votes. You can't just throw yourself at our feet and expect forgiveness; you have to prove that you deserve it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
throw yourself at somebody’s ˈfeetask for somebody to help, protect or forgive you: He threw himself at her feet and asked her forgiveness.
Farlex Partner Idioms Dictionary © Farlex 2017